Directory       News       Site Map       Home
    Jepson eFlora: Taxon page
Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Previous taxon


Michael R. Mesler & Karen Lu

Perennial herb, woody vine, [shrub], rhizomed, aromatic. Stem: branched, occasionally ± underground. Leaf: simple, basal, cauline, or arising from rhizome, alternate; blade generally cordate, entire. Inflorescence: flower generally 1, axillary or terminal. Flower: bisexual, radial or bilateral; sepals 3, free or fused; petals generally 0; stamens generally 6 or 12, free or fused to style; pistil generally 1, ovary ± or partly inferior, chambers generally 6. Fruit: generally capsule. Seed: many.
5–8 genera, ± 500 species: mainly tropics, warm temperate; some cultivated (Aristolochia, Asarum, Saruma). [Neinhaus et al. 2005 Plant Syst Evol 250:7–26] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Aristolochiaceae

Rhizome shallowly horizontal or deeply ± vertical, plants spreading or clumped; roots gingery-aromatic. Leaf: from rhizome, generally evergreen; blade cordate to reniform. Inflorescence: flower terminal, at ground level. Flower: generally dark colored; sepals forming tube, persistent; stamens 12, free from style, tips generally appendaged. Fruit: fleshy capsule. Seed: with fleshy appendage, ant-dispersed.
90 species: northern temperate. (Greek: derivation unknown) [Kelly 2001 Syst Bot 26:17–53]

Key to Asarum

Previous taxon: Aristolochia californica
Next taxon: Asarum caudatum


Name search

Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Nov 28 2015
Citation for this treatment: [Author of taxon treatment] 2013. Asarum, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Nov 28 2015

Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.

Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records